Free macOS High Sierra Download: Installer File, DMG, ISO

Summary: Can you still download macOS Hig Sierra? Yes, macOS High Sierra is still available. You can complete the MacOS High Sierra 10.13 download from the direct links in this post. It also tells you how to install High Sierra on an old Mac.

Released in September 2017, macOS High Sierra 10.13 adopted enhancements and made great changes based on the previous macOS Sierra.

Although it is an old Mac OS version, you may want to download the macOS High Sierra installer application to retrieve an old Mac, for tests, or explore its features. Thus, the questions arise in your mind "Can I still download macOS High Sierra?". The answer is definitely YES.

We'll offer you the direct links to download the macOS High Sierra installer file for free and help you identify whether your Mac model can support macOS 10.13. If your Mac doesn't support macOS High Sierra, we also offer the DMG and ISO files. macOS High Sierra DMG and ISO files are specially for running macOS High Sierra on incompatible Mac devices and Windows PCs.

Note: Ensure that your Mac has enough free space to store the macOS High Sierra installer and install it. Or else, it would be a great pity to be informed of the downloading or installation failure after consuming a few hours due to insufficient storage space.

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Download macOS High Sierra from the App Store on your Mac

The default and most straightforward way to download macOS High Sierra is from the App Store on your Mac. However, this method is only workable for Mac models that are compatible with MacOS High Sierra.

Here are the Mac devices that support macOS High Sierra 10.13:

MacBook (Late 2009 or newer)
MacBook Pro (Mid-2010 or newer)
MacBook Air (Late 2010 or newer)
Mac mini (Mid-2010 or newer)
iMac (Late 2009 or newer)
Mac Pro (Mid-2010 or newer)

Note: If your Mac runs Mac OS X Lion 10.7 or earlier or is delivered with macOS Mojave or later, it is incompatible with macOS High Sierra.

If your Mac is on the above list, click the link below to download macOS High Sierra on the Mac App Store:

macOS High Sierra 10.13.6 download (4.8 GB, Free)

After downloading, the installer will open automatically to let you configure and install macOS High Sierra on your Mac. If you don't want to start the installation right now, click Install macOS High Sierra on the menu bar > Quit Install macOS. The macOS High Sierra installer will remain in the Applications folder.

Go to tell more people who are also puzzled by the Mac OS High Sierra download.

Download macOS High Sierra DMG

The macOS High Sierra DMG file is used to install macOS High Sierra on a virtual machine or USB drive so that you can run macOS High Sierra on an unsupported Mac or even on a Windows PC.

Here's the direct link to download the macOS High Sierra DMG file:

macOS High Sierra DMG download (from archive.org, size: 4.9 GB, version: 10.13.6)

Download macOS High Sierra ISO

Likewise, if your Mac doesn't support macOS High Sierra, you can also use the macOS High Sierra ISO file. This installer can be installed on a virtual machine like VirtualBox or VMWare for unsupported Macs and Windows computers.

Click the link below to download macOS High Sierra ISO:

macOS High Sierra ISO download (from archive.org, size: 5.1 GB, version: 10.13.1)

How to install High Sierra on an old Mac

If your old Mac supports macOS High Sierra, you can follow these steps to install High Sierra on it:

Download macOS High Sierra from the App Store.
During the process, ensure your screen is on, the network is connected well, and the Mac is charged.
When the downloading process ends, you'll see the Install macOS High Sierra window. Click Continue to set up the installation.
Select the disk where you want to install macOS High Sierra.
Wait until the process finishes.

How to create a macOS High Sierra bootable USB

If your old Mac doesn't support macOS High Sierra, you need to create a bootable macOS USB installer on a compatible Mac and then start your Mac with the USB.

Steps about how to create a bootable macOS High Sierra USB drive on Mac:

Download the macOS 10.13 High Sierra installer file on the compatible Mac from the App Store: macOS High Sierra download.
When the downloading process ends, click the Install macOS High Sierra button on the menu bar > Quit Install macOS.
Prepare a USB drive with at least 32GB capacity. The USB drive with a small size may cause booting failure later.
Go to Disk Utility (Launchpad > Other), click View > Show All Devices, select the USB drive, click Erase, set High Sierra as the name, choose Mac OS Extended (Journaled) in format, and choose GUID Partition Map as the scheme.
Open Terminal from Launchpad > Other.
Enter the command below. Replace MyVolume with the name of your USB drive - High Sierra. sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/High Sierra
Enter your admin password and press Enter.
Wait for the process to complete and quit then Terminal.
Connect the macOS High Sierra bootable USB installer to the unsupported old Mac.
Restart the Mac and meanwhile press down the Option (Alt) key until see the bootable volumes.
Select the High Sierra volume and click the arrow on the screen.
Follow the on-screen instructions to set up your configurations and start your old Mac from the macOS High Sierra bootable USB.

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Why can't you download macOS High Sierra on Mac

macOS High Sierra can be downloaded from the App Store by default. If you can't do that, the possible causes are one of below.

1. Your Mac doesn't support macOS High Sierra. You can click the Apple icon > About This Mac to check if your Mac is compatible with macOS High Sierra.

2. Your network connection is unstable and poor. Try to reconnect your Wi-Fi or change to another powerful one.

3. Your Mac doesn't have enough free space to store the installer. Tidy up your Mac and delete the useless and unwanted files. Note that you need to free up much more space on your Mac if you need to install and run macOS High Sierra on your Mac as running a system requires space to load the system and user cache files.

If you think that it's a tough task to clean up your Mac manually, you can use a Mac cleaner to relieve your work. iBoysoft DiskGeeker is a comprehensive disk management tool that contains a junk-cleaning feature. It can search for and conclude different types of junk files on your Mac for one-click deletion.